<?php function sprawdz_maila($email) { $wholeexp = '/^(.+?)@(([a-z0-9.-]+?).[a-z]{2,5})$/i'; $userexp = \"/^[a-z0-9~!#$%&()-_+=[];:'\"\,./]+$/i\"; $username = $regs[1]; $host = $regs[2]; if (checkdnsrr($host, MX)) { return true; } else { return false; } } else { return false; } } else { return false; } } ?>